An analog model of the rabbit's optokinetic system

Abstract

Summary The smooth phase of the rabbit's optokinetic reaction was simulated with analog electronic elements. The model is based upon (1) known input-output relationships of the optokinetic system in closed loop and open loop conditions, and (2) input-output properties of two classes of retinal direction-selective motion detectors in the rabbit. Apart from velocity detectors the model contains a transport delay, a leaking integrator with a long time constant and a pure integrator with automatic reset. The input-output relationships of the optokinetic system for steady rotations, sinusoidal, stepwise and other movements are faithfully simulated by the model, both for normal and open loop conditions.

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